Add 6/80 and 63/42
1st number: 6/80, 2nd number: 1 21/42
6/80 + 63/42 is 63/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 42 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
6/80 = 6 × 21/80 × 21 = 126/1680 - Likewise, for the 2nd fraction, since 42 × 40 = 1680,
63/42 = 63 × 40/42 × 40 = 2520/1680 - Add the two like fractions:
126/1680 + 2520/1680 = 126 + 2520/1680 = 2646/1680 - 2646/1680 simplified gives 63/40
- So, 6/80 + 63/42 = 63/40
In mixed form: 123/40
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